A hairdo that's a hair-don't

Editor's note: Each month we see lots of books. This is one of the more curious arrivals. It's two-tiered, it's bi-leveled, it's the hairstyle with an identity crisis (is it long or short?). We are, of course, referring to the mullet, the ultimate hair-don't that's short on the top and long in the back. We've always called it a ridla, short for riddle, as in...